Matt Murphy
Live editor, in Washington DC

We're now ending our live coverage of today's shooting in Kansas City. Here is a quick recap of the main developments:

• Three people have been arrested after shots were fired at Kansas City's Union Station during Super Bowl celebrations
• Officials say one person has been killed, and 21 other people were injured in the shooting
• Three people are being treated at hospitals in the city with immediately life-threatening injuries, while seven more are battling life-threatening injuries
• Police say they have yet to establish a motive for the shooting, but earlier local law enforcement officials told the BBC's US partner, CBS News, that it was not terror related
• The Kansas City Chiefs, who won Sunday's Super Bowl in dramatic fashion, say none of their players were injured in the shooting
• Star quarterback Patrick Mahomes said in a post on X, formerly Twitter, that he was praying for the city

You can follow any further developments overnight here.

Aerial footage shows emergency services responding to the shooting in Kansas City.

It happened after a victory parade for the Kansas City Chiefs, who won the Super Bowl on Sunday.

A journalist for CBS News was reporting on the Super Bowl victory celebrations when the shooting broke out earlier on Wednesday.

People could be seen rushing away from the sound, soon breaking out in a run.

Nomia Iqbal
BBC News, Washington

Image source, Getty Images

This was meant to be a pure moment of celebration for Kansas City.

Thousands of football fans, including families with children, would have expected a safe environment.

But the Super Bowl, a uniquely American cultural event, has been marred by another one: a mass shooting.

According to law enforcement officials, the shooting appears to be criminally related, not a result of extremism or terrorism.

However as investigations begin, a familiar narrative is emerging as we often see with mass shootings.

Missouri, Kansas City has very lax gun laws where there are no state licensing requirements for the possession of a rifle, shotgun or handgun.

Those who advocate strict gun laws say when you allow guns everywhere, there will be shootings everywhere. And we have seen that in schools, bars, churches, and nightclubs.

The United States has seen 44 mass shootings in the first six weeks of this year, according to data from the Gun Violence Archive.

That’s actually the fewest since 2020, though deaths in mass shootings have remained fairly high.

Matt Murphy
Live editor, in Washington DC

The news conference in Kansas City has concluded, with officials offering some further details on today's shooting. Here's what we learned.

• Some 22 people were hit by bullets during Wednesday's shooting
• One of those hit by gunfire was later pronounced dead
• Of those injured, eight had immediately life-threatening injuries while seven more had life threatening injuries
• Three people have been detained by police in connection with the shooting
• Officers have yet to determine a motive behind the incident
• Police chief Stacey Graves told reporters that authorities are now moving forward in their investigation

Concluding the news conference, Kansas City Police Chief Stacey Graves tells media the crime scenes have been "cleared" and that authorities are now moving forward in their investigation.

"There's a lot of work ahead," she says. "We are moving as fast as we can."

Police are gathering both physical and digital evidence, she says.

Detectives who had volunteered to patrol the NFL parade are now investigating and meeting with victims in hospital.

Now up in this evening's press conference, the fire chief is providing more details about the victims.

Of the 22 gunshot victims reported so far, one was a fatality, eight had immediately life-threatening injuries and seven had life-threatening injuries. The remaining patients had minor injuries.

The victims have been transported to three different local hospitals. The life-threatening cases were taken to hospital within 10 minutes of the shooting, he says.

He says he has no further detail on the ages of the 11 children injured during today's shooting.

Children's Mercy hospital takes children as old as 17, he added.

Police Chief Stacey Graves is now answering questions from reporters.

In response to a question about a possible motive behind the shooting, Graves said police have not yet identified one.

She adds that any one with information or video of the incident should reach out to police as the investigation is ongoing.

Earlier, a local law enforcement source told the BBC's US partner, CBS news, that the shooting appeared to be related to a criminal dispute.

Kansas City Chief of Police Stacey Graves starts her remarks by stating again that one person has died in the shooting.

The total of victims shot, she adds, has risen to 22, but Graves cautions that police are still working to determine the exact number of victims.

Graves also says that three people in total have been detained in connection with the incident, which is up from two reported earlier.

Image source, Getty Images

Speaking to the media now, Kansas City Mayor Quinton Lucas asks the public for any information on today's shooting and the suspects, urging anyone with any information to contact the police.

The city will continue to update the public on the investigation, he says.

Image source, Getty Images

The Mayor of Kansas City, Quinton Lucas, and Kansas City Police Chief, Stacey Graves, will be providing an update on the number of victims, their status, as well as the ongoing investigation.

Lucas reminds reporters that the situation remains fluid and that more information is still coming to light.

We are about to get a fresh update from Kansas City officials about the shooting at the end of the Super Bowl victory parade.

You can follow along here live.

Eleven children are in hospital following the rally, nine with gunshot wounds, Children's Mercy, a Kansas City hospital, said in a statement.

"Those victims brought here from the Union Station incident are being treated by the best trauma specialists in the city," the hospital said.

No ages of the victims were provided.

The police chief had said earlier that no children had been injured in the shooting.

Image source, Getty Images

Several players from the Kansas City Chiefs have posted on social media about the shooting at their parade, which followed the team's Super Bowl victory on Sunday.

Star quarterback Patrick Mahomes said in a post , externalon X - formerly Twitter - that he is "praying for Kansas City".

Teammate Drue Tranquill calls the shooting a "heinous act", external, and said he was praying that "doctors & first responders would have steady hands & that all would experience full healing".

At least one person was killed in the shooting, according to Kansas City's Fire Department, while nine others are reportedly injured.

Image source, Getty Images

The White House says President Joe Biden has been briefed on Wednesday's shooting in Kansas City.

In a statement, officials said the president would continue to receive updates on the incident over the course of the day.

"White House officials have been in touch with state and local leaders, and federal law enforcement is on the scene supporting local law enforcement," the statement added.

Earlier, Mayor Quinton Lucas said he had received calls from the White House, which offered to provide assistance with the ongoing investigation.

Moving back to the news conference now, where Mayor Quinton Lucas concludes by saying that he is incredibly upset and disappointed at the shooting.

“I was there with my wife, I was there with my mother. We never would have thought, we along with Chiefs players and fans… would be forced to run for our safety today."

The mayor says he had thought about bringing his own child to the parade, “as many people in Kansas City did”.

Lucas says he heard something when he was inside Union Station and “a number of us” started running. “I saw a stream of officers going in the exact other direction,” he adds.

Lucas adds that the city will do a “full and thorough investigation” and bring the perpetrators to justice.

Shifting briefly away from the news conference in Kansas City, a local law enforcement source has told the BBC's US partner, CBS News, that the shooting does not appear to be terror related.

The official said the shooting may have been the result of an argument or dispute between individuals that turned violent.

The source said the investigation is still fluid and nothing has been ruled out.

Image source, AFP

Police chief Stacey Graves says she cannot confirm rumours that fans were involved in pursuing and apprehending the suspects.

She adds that officers were on the scene when the shots rang out, adding that one of the suspects was immediately pursued after the shooting.

We're hearing more from police chief Stacey Graves.

Graves confirms that shots were fired on the west side of union station. She says officers took two people into custody and law enforcement officers “immediately rendered life sustaining aid to those victims”.

“We’re still gathering information on the number and status of victims… but we know one of the victims is deceased,” adds Graves.

She confirms that this remains "an active investigation".

Kansas City police chief Stacey Graves is speaking now.

She says the number of injured people is still unclear, but as many as 15 people have sustained gunshot wounds.

Graves says she does not believe the victims include any children, or any members law enforcement or emergency services.